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Assuming human pupil to have a radius of...

Assuming human pupil to have a radius of 0.25 cm and a comfortable viewing distance of 25 cm, the minimum separation between two objects than human eye can resolve at 500nm wavelength is :

A

Wave length is

B

`1 mum`

C

`30 mum`

D

`100mum`

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The correct Answer is:
C
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